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 Boston Police released this photo of Dzhokhar Tsarnaev, 19, of Cambridge, Massachusetts on Friday, April 19. He and his brother, who was killed after a shootout early Friday morning, are suspects in the Boston Marathon attack that took place on Monday, April 15.
 Boston Police released this photo of Dzhokhar Tsarnaev, 19, of Cambridge, Massachusetts on Friday, April 19. He and his brother, who was killed after a shootout early Friday morning, are suspects in the Boston Marathon attack that took place on Monday, April 15.

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    What suspects did before Boston marathon

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What suspects did before Boston marathon

U.S. Attorney Carmen Ortiz explains the alleged activities of the Boston bombing suspects before the marathon.

What suspects did before Boston marathon

U.S. Attorney Carmen Ortiz explains the alleged activities of the Boston bombing suspects before the marathon.